What specific task is performed by the Address Resolution Protocol (ARP) within a local area network segment? MCQ with Answer and Explanation

What specific task is performed by the Address Resolution Protocol (ARP) within a local area network segment?

A. It maps a known logical IP address to a physical hardware MAC address.

B. It translates web domain names into IP paths.

C. It automatically assigns dynamic IP configurations to client devices.

D. It routes data packets across separate internet gateways.

Answer: Option A

ARP maps logical IP network targets to their physical MAC hardware addresses within a local data link layer segment.

This question belongs to: Computer Computer Networking

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Question #1 Report Error

Which network device is used to connect two different network segments and forward frames based on MAC addresses?

A. Router

B. Bridge

C. Repeater

D. Hub

Correct Answer: Option B

Explanation:
A bridge connects two network segments and forwards frames based on MAC addresses, operating at layer 2.

This question belongs to: Computer Computer Networking

Question #2 Report Error

What is the main function of a router's routing protocol?

A. To filter traffic

B. To exchange routing information with other routers

C. To resolve MAC addresses

D. To assign IP addresses

Correct Answer: Option B

Explanation:
Routing protocols (e.g., OSPF, BGP) allow routers to share information about network paths.

This question belongs to: Computer Computer Networking

Question #3 Report Error

Which device connects a network to the Internet and often includes firewall functionality?

A. Switch

B. Bridge

C. Hub

D. Router

Correct Answer: Option D

Explanation:
A router often connects a local network to the internet and may include security features like firewalls.

This question belongs to: Computer Computer Networking